18260368 has 40 divisors (see below), whose sum is σ = 42566720. Its totient is φ = 7413120.

The previous prime is 18260357. The next prime is 18260369. The reversal of 18260368 is 86306281.

It is not an unprimeable number, because it can be changed into a prime (18260369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2163 + ... + 6418.

It is an arithmetic number, because the mean of its divisors is an integer number (1064168).

Almost surely, 2^18260368 is an apocalyptic number.

It is an amenable number.

18260368 is an abundant number, since it is smaller than the sum of its proper divisors (24306352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18260368 is a wasteful number, since it uses less digits than its factorization.

18260368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8615 (or 8609 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 18260368 is about 4273.2151829741. The cubic root of 18260368 is about 263.3317196219.

The spelling of 18260368 in words is "eighteen million, two hundred sixty thousand, three hundred sixty-eight".